Advance HCD400A Heavy Duty Marine Gearbox 5.53:1 Reduction

Description

Match heavy-displacement propulsion with the Advance HCD400A Heavy Duty Marine Gearbox 5.53:1 Reduction. This deep-case marine gearbox is specified for heavy-displacement trawlers and tugboats, with a 5.53:1 reduction ratio, maximum input power of 717 HP (535 kW) at 1,800 RPM, and a maximum input speed of 1,800 RPM.

Model HCD400A-553 uses a hydraulic multi-disc clutch and has a listed transmission capacity of 0.398 HP/RPM (0.293 kW/RPM). Its supplied drivetrain configuration includes SAE 0 and SAE 1 bell housing standards, 18,434 lbf (82,000 N) maximum propeller thrust, a 13.98-inch (355 mm) center distance, and a 7.4-gallon (28-liter) oil capacity.

Key Features of Advance HCD400A

• 5.53:1 reduction ratio identifies the supplied speed-reduction configuration for heavy-displacement propulsion matching.
• 717 HP (535 kW) maximum input power at 1,800 RPM defines the listed engine-input rating.
• 1,800 RPM maximum input speed provides the stated operating-speed limit.
• 0.398 HP/RPM (0.293 kW/RPM) transmission capacity identifies the listed capacity specification.
• Hydraulic multi-disc clutch provides the stated clutch configuration.
• SAE 0 and SAE 1 bell housing standards identify the listed engine-interface options.
• 18,434 lbf (82,000 N) maximum propeller thrust defines the supplied thrust rating.
• 13.98-inch (355 mm) center distance supports verification of drivetrain geometry.
• 7.4-gallon (28-liter) oil capacity identifies the stated lubricant fill quantity.
• 33.2 x 39.8 x 42.0 inch dimensions and 2,425 lb dry weight support installation planning.

Fitment and Propulsion Use

The Advance HCD400A-553 is specified for heavy-displacement trawlers and tugboats. It supports propulsion systems requiring a 5.53:1 reduction ratio, subject to verification of engine rated torque, actual operating RPM, SAE bell housing interface, propeller-thrust requirement, and the complete drivetrain arrangement. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Installation and Service Considerations

Verify the correct SAE 0 or SAE 1 bell housing interface and confirm that the engine, gearbox, propeller shaft, and structural mounting arrangement are suitable for the 13.98-inch center distance and 2,425 lb dry weight. The transmission has a listed oil capacity of 7.4 gallons. Follow the engine and gearbox manufacturer’s installation manuals and product instructions for alignment, lubrication, controls, cooling connections, and service procedures.

Before Ordering the Advance HCD400A

Verify that Advance model HCD400A-553 is correct for your heavy-displacement trawler or tugboat propulsion application. Confirm the 5.53:1 reduction ratio, 0.398 HP/RPM (0.293 kW/RPM) transmission capacity, 717 HP (535 kW) maximum input power at 1,800 RPM, 1,800 RPM maximum input speed, hydraulic multi-disc clutch, SAE 0/SAE 1 bell housing options, 18,434 lbf (82,000 N) maximum propeller thrust, 13.98-inch center distance, 7.4-gallon oil capacity, 33.2 x 39.8 x 42.0 inch dimensions, 2,425 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.